WO2015043134A1

WO2015043134A1 - Electronic cigarette

Info

Publication number: WO2015043134A1
Application number: PCT/CN2014/071192
Authority: WO
Inventors: 陈志平
Original assignee: 深圳市麦克韦尔科技有限公司
Priority date: 2013-09-29
Filing date: 2014-01-23
Publication date: 2015-04-02
Also published as: US20150090281A1; CN103948172B; CN103948172A

Abstract

An electronic cigarette (100) comprising: a hollowly structured housing (110) provided at either end thereof with an air inlet and an air outlet (112), an atomizing component (130) accommodated within the housing (110) and comprising a support element (132) and a flexible heating body (134), a smoke duct (136) formed within the support element (132) and connected to the air inlet and the air outlet of the housing (110), a through hole (138) provided on the support element (132) and in communication with the smoke duct (136), where the flexible heating body (134) comprises a main body part (1342) and a support arm part (1344) connected to the main body part, and the main body part (1342) is inserted into the through hole (138) and is located within the smoke duct (136); and, a liquid storage body (120) sleeved on the exterior of the support (132), where the liquid storage body (120) comprises a liquid storage medium (122) for storing a cigarette liquid, and the support arm part (1344) is inserted into the interior of the liquid storage body (120). The electronic cigarette has a simple structure and a simple assembly process. The flexible heating body (134) is provided with great flexibility and can be made into shapes as required by product contours. The resistance of the flexible heating body is relatively stable, improved atomization consistency can thus be ensured; therefore, the electronic cigarette is provided with improved atomization effects.

Description

e-cigarette

[Technical Field]

The invention relates to an electronic cigarette.

【Background technique】

Electronic cigarettes are also known as virtual cigarettes and electronic atomizers. As an alternative cigarette, e-cigarettes are used to quit smoking. E-cigarettes have a similar appearance and taste to cigarettes, but generally do not contain other harmful components such as tar, aerosols, etc. in cigarettes.

Electronic cigarettes are mainly composed of an atomizer and a power supply unit. The atomizer acts as the core device for the atomization gas generated by the electronic cigarette, and its atomization effect determines the quality and taste of the smoke. The consistency of the traditional atomizer is not high, resulting in poor atomization.

[Summary of the Invention]

Based on this, it is necessary to provide an electronic cigarette with better atomization effect.

An electronic cigarette includes: a casing, an atomizing component and a liquid storage; both ends of the casing are provided with an air inlet hole and an air outlet hole, the casing has a hollow structure; and the atomization component is received in the In the housing, the atomization assembly includes a support member and a flexible heating body, the inside of the support member forms a flue communicating with the air inlet hole and the air outlet hole, and the support member is provided with the flue a through hole, the flexible heating body includes a main body portion and an arm portion connected to the main body portion, the main body portion is disposed in the through hole and located in the flue; On the outside of the support member, the liquid storage medium includes a liquid storage medium capable of storing the liquid smoke, and the arm portion extends into the interior of the liquid storage.

In the above electronic cigarette, the atomization assembly includes a support member and a flexible heating body. The main body portion of the flexible heating body passes through the through hole of the support member, and the arm portion of the flexible heating body is in full contact with the liquid to absorb the liquid smoke. Aspirating and atomizing the smoke liquid by means of a flexible heating body. Since the flexible heating body itself has good flexibility, it can be formed into a desired shape according to the shape of the product, so the resistance value of the flexible heating body is relatively stable, is not easily affected by temperature, and can ensure high atomization uniformity, and thus the above-mentioned electronic smoking article Have a good atomization effect.

[Description of the Drawings]

The above and other objects, features and advantages of the present invention will become more apparent from the <RTIgt; The same reference numerals are used throughout the drawings to refer to the same parts, and the drawings are not intended to be scaled to the actual size. The emphasis is on the subject matter of the invention.

1 is a schematic cross-sectional view of an electronic cigarette according to an embodiment;

2 is a perspective exploded view of the electronic cigarette shown in FIG. 1;

Figure 3 is a perspective view of the atomizing assembly of Figure 1;

Figure 4 is a schematic cross-sectional view of the flexible heating body of Figure 1;

Fig. 5 is a schematic cross-sectional view showing a flexible heating body in another embodiment.

【detailed description】

The above described objects, features and advantages of the present invention will become more apparent from the aspects of the appended claims. Numerous specific details are set forth in the description below in order to provide a thorough understanding of the invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art can make similar modifications without departing from the spirit of the invention, and thus the invention is not limited by the specific embodiments disclosed below.

Referring to FIGS. 1 and 2 , an electronic cigarette 100 of an embodiment includes a housing 110 , a liquid storage 120 atomizing assembly 130 , and a power supply assembly 140 . The liquid storage 120, the atomizing assembly 130, and the power supply assembly 140 are housed within the housing 110. The power supply assembly 140 is used to provide power to the atomizing assembly 130.

The housing 110 is substantially cylindrical, that is, circular in cross section, forming a cavity for receiving the internal components of the electronic cigarette 100. The housing 110 is made of a plastic material. In other embodiments, in other embodiments, the cross-section of the housing 110 can also be square, elliptical, or the like. The housing 110 has an air outlet 112 at one end and an air inlet (not shown) at the other end. The housing 110 has a hollow structure. A filter nozzle may be disposed at one end of the housing 110 near the air outlet 112 for filtering nicotine and nicotine in the smoke.

The liquid storage 120 is housed in the housing 110 and sleeved on the outside of the atomizing assembly 130. The storage liquid 120 includes a liquid storage medium 122 that stores the liquid smoke. The storage liquid 120 is in contact with the heating elements of the atomizing assembly 130 such that the atomizing assembly 130 can absorb the liquid smoke on the liquid storage medium 122. In the present embodiment, the liquid storage 120 is cylindrical and forms a cavity for accommodating the atomizing assembly 130. The liquid storage medium 122 can be made of a material having good liquid absorption such as fiber, foam, sponge, ceramic foam or soft rubber, and the shape of the liquid storage 120 formed is variable, and can be externally pressed by extrusion or the like during assembly. The reservoir liquid 120 is in intimate contact with the surface of the heating element of the atomizing assembly 130. According to the principle of concentration balance, the liquid smoke stored on the storage liquid 120 can be delivered to the heating element of the atomizing assembly 130 having the liquid absorbing ability.

The atomizing assembly 130 is housed within the housing 110. The atomizing assembly 130 includes a support 132 and a flexible heating body 134. The flexible heating body 134 is disposed on the support member 132.

The support member 132 has a hollow cylindrical structure, and the inside of the support member 132 forms a flue 136 communicating with the air inlet holes and the air outlet holes 112 at both ends of the housing 110 for gas circulation. A through hole 138 is defined in the support member 132. The through hole 138 communicates with the flue 136. In this embodiment, the support member 132 has a hollow cylindrical shape. The support member 132 is provided with two oppositely disposed through holes 138 for the flexible heating body 134 to pass through, and the flexible heating body 134 can be supported and fixed. The shape of the through hole 138 is the same as the shape of the cross section of the flexible heating body 134. The diameter of the through hole 138 is slightly larger than the diameter of the cross section of the flexible heating body 134. The flexible heating body 134 can be passed through the through hole 138. In the present embodiment, the through hole 138 is circular. In other embodiments, the shape of the through hole 138 is a triangle, a square, or the like. The number of through holes 138 may be one or two or more. Further, the support member 132 may have a plurality of vent holes having relatively small apertures for assisting the flue gas passage of the flue gas 136 after atomization of the smoke liquid to improve gas flowability. The material of the support member 132 may be a heat resistant plastic or a metal that is easy to process and inexpensive.

As shown in FIGS. 1 and 4, in the present embodiment, the flexible heating body 134 includes a main body portion 1342 and an arm portion 1344 connected to the main body portion 1342. The main body portion 1342 and the arm portion 1344 have the same cross section. The main body portion 1342 is disposed on the through hole 138 and located in the flue 136. Since the through hole 138 communicates with the flue 136, the main body portion 1342 is horizontally disposed in the flue 136, and the main body portion 1342 and the arm portion 1344 are The joint forms a curved curvature so that the flexible heating body 134 can be supported on the support body 132. The arm portion 1344 extends to the interior of the reservoir liquid 120 to be in full contact with the reservoir medium 122. In the present embodiment, the number of the arm portions 1344 is two, and is connected to both ends of the main body portion 1342. That is, the cross section 134 of the flexible heating body is substantially U-shaped. The length of the arm portion 1344 may be greater than or equal to 0.5 mm. Of course, in this suitable range, the longer the length of the arm portion, the larger the surface area in contact with the liquid storage 120, that is, the larger the liquid absorption area. Meanwhile, the flexible heating body 134 may have a cross-sectional area of 0.5 to 3 square millimeters. Within this range, the larger the cross-sectional area of the flexible heating body 134, the larger the surface area of the arm portion 1344, and the larger the liquid absorbing area, the flexibility The heating area of the heating body 134 is also larger, and the atomization efficiency can be improved. In other embodiments, as shown in FIG. 5, there may be only one arm portion 1344, and only one through hole 138 is required, and the flexible heating body 134 has a substantially L-shaped cross section. It can be understood that there may be a plurality of arm portions 1344, and if there are four, the cross section of the flexible heating body 134 is substantially two U shapes that intersect. Further, the flexible heating body 134 may have gas flowability to facilitate the circulation of smoke. In one embodiment, the flexible heating body 134 may be a carbon fiber rod. The carbon fiber has the advantages of strong liquid absorption capability and electrical conductivity, and is resistant to high temperature, corrosion, soft material, and easy to form. In another embodiment, the flexible heating body 134 may also be a hybrid braid formed by a flexible heating strip and temperature resistant fibers. The hybrid braid itself has a pore-like structure and is gas permeable. The flexible heating strip may be a material of a conductive fiber such as a wire or a carbon fiber, and has a woven property. The temperature resistant fiber may be a temperature resistant glass fiber or carbon fiber. The flexible heating strip and the temperature resistant fiber are mixed together to form a cylinder having a larger surface area. The temperature-resistant fiber has a strong liquid absorbing ability, and the flexible heating strip is in full contact with the temperature resistant fiber, and the heating area thereof is large. It will be appreciated that the flexible heating body 134 can also be formed from other flexible materials.

The flexible heating body 134 described above can absorb the liquid smoke in the liquid storage liquid 120 and atomize the liquid smoke. The structure is simple and the assembly process is simple. The flexible heating body 134 itself has good flexibility and can be formed into a desired shape according to the shape of the product. The resistance value of the flexible heating body 134 is well controlled, is not easily affected by temperature, the resistance value is stable, and the atomization consistency is high. Therefore, the atomization effect is better. At the same time, it is not necessary to cumberly wind the heating wire around the fixed shaft, which simplifies the production process and saves costs.

Referring to FIGS. 1 and 2, the power supply assembly 140 is electrically coupled to the flexible heating body 134 for providing power to the flexible heating body 134. In this embodiment, the power supply assembly 140 includes an electrode 142, a wire 144 and an electrode holder 146 and a battery (not shown). The electrode 142 is electrically connected to the flexible heating body 134 through a wire 144. The electrode 142 is fixed on the electrode holder 146, and the electrode holder 146 is provided with an air hole 148 for airflow. In other embodiments, the electrode holder 146 may also be omitted.

The assembly process of the electronic cigarette 100 is substantially as follows: first, the liquid storage 120 is fixed in the cavity of the housing 110, and then the flexible heating body 134 is connected to the electrode 142 of the power supply assembly through the wire 144, and the electrode 142 is fixed to the electrode holder 146. Finally, the housing 110 is sleeved on the electrode holder 146 to complete the assembly. It can be understood that the assembly order of the above-described electronic cigarette 100 is also appropriately adjusted.

During use, as shown by the arrow in FIG. 1, when the user inhales the end of the electronic cigarette 100 having the air outlet 112, the airflow passes from the air inlet 100 of the housing 110 through the air hole of the electrode holder 146. 148. The smoke formed by the heat atomization of the flexible heating body 134 is brought into the flue 122, and finally from the air outlet hole 112 of the casing 110 to the mouth of the user.

In the above-described electronic cigarette 100, the flexible heating body 134 itself has a liquid absorption heating function. The resistance value of the flexible heating body 134 is stable and is not easily affected by the temperature. The support member 132 does not need to use a temperature-resistant oil material such as a fiber rope to avoid the effect of powder on the atomization effect. Therefore, the atomization effect of the electronic cigarette 100 is better. Moreover, the above-mentioned electronic cigarette is simple in manufacturing process, low in processing cost, and more suitable for industrial production.

The above-mentioned embodiments are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but is not to be construed as limiting the scope of the invention. It should be noted that a number of variations and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. Therefore, the scope of the invention should be determined by the appended claims.

Claims

An electronic cigarette characterized by comprising:

a housing, the two ends of the housing are provided with an air inlet hole and an air outlet hole, and the housing has a hollow structure;

An atomizing assembly is housed in the housing, the atomizing assembly includes a support member and a flexible heating body, and an inner portion of the support member forms a flue communicating with the air inlet hole and the air outlet hole, the support member a through hole communicating with the flue is provided, the flexible heating body includes a main body portion and an arm portion connected to the main body portion, the main body portion is disposed in the through hole and located in the flue ;and

The liquid storage is sleeved on the outer side of the support member, and the liquid storage medium includes a liquid storage medium capable of storing the liquid smoke, and the arm portion extends into the interior of the liquid storage.
The electronic cigarette according to claim 1, wherein the arm portions are two, and the two arm portions are respectively provided at both ends of the main body portion.
The electronic cigarette according to claim 2, wherein the flexible heating body has a U-shaped cross section.
The electronic cigarette according to claim 1, wherein the length of the arm portion is greater than or equal to 0.5 mm.
The electronic cigarette according to claim 1, wherein the flexible heating body has a cross-sectional area of from 0.5 mm 2 to 3 mm 2 .
The electronic cigarette according to claim 1, wherein the flexible heating body is a carbon fiber rod.
The electronic cigarette according to claim 1, wherein the flexible heating body is a hybrid braid formed by a flexible heat-generating strip and a temperature-resistant fiber.
The electronic cigarette according to claim 7, wherein the flexible heating strip is a wire or a conductive fiber, and the temperature resistant fiber is a glass fiber or a carbon fiber.
The electronic cigarette according to claim 1, wherein the support member is provided with a plurality of vent holes.
The electronic cigarette according to claim 1, further comprising a power supply unit housed in the casing, the power supply assembly comprising an electrode, a wire and an electrode holder, the electrode passing through the wire and the arm portion Connected, the electrode is fixed on the electrode holder, the electrode holder is provided with an air hole, and an air flow flows in from the air inlet hole, passes through the air hole, the flue, and flows out from the air outlet hole .